Re:Mezzano – An operating system written in Common Lisp
by PuercoPop on Tuesday June 18, 2019 @12:20PM
(#20214760)
The reason it is slow is not because it is written is Lisp but because of how it is implemented, primarily because it is a hobby project. Graphics are rendered on the CPU for example.
https://github.com/froggey/Mezzano/blob/master/gui/blit-x86-...